Monture Mellerio, a diamond cluster ring

Monture Mellerio, a diamond cluster ring, the round brilliant-cut diamond weighing 4.61 carats, set within a surround of round brilliant-cut diamonds in platinum, size M, signed Mellerio Monture and numbered 20396, French assay and maker's marks

Accompanied by a copy of Carat Gem Lab report no. CGL08634, Dated March 2015, stating that the round brilliant-cut diamond weighing 4.61 carats, is of I colour, SI1 clarity, with medium fluorescence